<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录页面</title>
    <link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css" rel="stylesheet">
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.4.1/js/bootstrap.min.js"></script>
    {% load static %}
</head>
<body>
<div class="container-fluid">
    <div class="row">
        <div class="col-md-8 col-md-offset-2">
            <h1 class="text-center">登录</h1>
            <div class="form-group">
                <label for="username">用户名</label>
                <input type="text" name="username" id="username" class="form-control">
            </div>
            <div class="form-group">
                <label for="password">密码</label>
                <input type="password" name="password" id="password" class="form-control">
            </div>
            <div class="form-group">
                <label for="">验证码</label>
                <div class="row">
                    <div class="col-md-6">
                        <input type="text" name="code" id="id_code" class="form-control">
                    </div>
                    <div class="col-md-6">
                        <img src="/get_code/" alt="" width="380" height="35" id="id_img">
                    </div>
                </div>
            </div>
            <input type="button" class="btn btn-success" value="登录" id="id_commit">
            <span style="color:red" id="error"></span>
        </div>
    </div>
</div>

<script>
    // 用于验证码的更新
    $("#id_img").click(function () {
        // 1 先获取标签之前的src
        let oldVal = $(this).attr('src');
        $(this).attr('src',oldVal += '?')

    })

    // 点击按钮发送ajax请求
    $("#id_commit").click(function () {
        $.ajax({
            url:'',
            type:'post',
            data:{
                'username':$('#username').val(),
                'password':$('#password').val(),
                'code':$('#id_code').val(),
                'csrfmiddlewaretoken':'{{ csrf_token }}',
            },
            success:function (args) {
                if (args.code == 1000){
                    // 跳转到首页
                    window.location.href = args.url
                }else{
                    // 渲染错误信息
                    $('#error').text(args.msg)
                }
            }
        })
    })
</script>
</body>
</html>